#include <iostream>
int main()
{
    printf("       *       \n");
    printf("     * * *     \n");
    printf("   * * * * *   \n");
    printf(" * * * * * * * \n");
    printf("   * * * * *   \n");
    printf("     * * *     \n");
    printf("       *       \n");
    return 0;
}